1 /* 2 * Copyright (c) 2018, 2019, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 */ 24 25 import java.util.ArrayList; 26 27 import jdk.test.lib.cds.CDSTestUtils; 28 import jdk.test.lib.cds.CDSOptions; 29 import jdk.test.lib.process.OutputAnalyzer; 30 31 /* 32 * @test 33 * @summary Try to archive lots of classes by searching for classes from the jrt:/ file system. With JDK 12 34 * this will produce an archive with over 30,000 classes. 35 * @requires vm.cds 36 * @library /test/lib /test/hotspot/jtreg/runtime/appcds 37 * @run driver/timeout=500 LotsOfClasses 38 */ 39 40 public class LotsOfClasses { 41 42 public static void main(String[] args) throws Throwable { 43 ArrayList<String> list = new ArrayList<>(); 44 TestCommon.findAllClasses(list); 45 46 CDSOptions opts = new CDSOptions(); 47 opts.setClassList(list); 48 opts.addSuffix("--add-modules"); 49 opts.addSuffix("ALL-SYSTEM"); 50 opts.addSuffix("-Xlog:hashtables"); 51 opts.addSuffix("-Xmx500m"); 52 opts.addSuffix("-Xlog:gc+region+cds"); 53 opts.addSuffix("-Xlog:gc+region=trace"); 54 55 OutputAnalyzer out = CDSTestUtils.createArchive(opts); 56 CDSTestUtils.checkDump(out); 57 } 58 }